It's the Australian way to reference a $20 note, according to giffgaff money, which recently teamed up with British artist Paul Blow to illustrate some of the craziest slang used to describe coins, cash, notes, and money in different countries around the world.

Below, learn about eight everyday words that reference money, so you won't look so confused on your trip across the pond when someone asks if you have any squids to spare.